Home / 25,587.36-38,310.17-13,080.45

Finding the Fourth Proportional to 25,587.36, 38,310.17 and 13,080.45

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Solution

The fourth proportional to 25,587.36, 38,310.17 and 13,080.45 is: 19,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.36 : 38,310.17 = 13,080.45 : x
  2. Step 2: Convert to fraction form
    25,587.36/38,310.17 = 13,080.45/x
  3. Step 3: Cross multiply
    25,587.36x = 38,310.17 × 13,080.45
  4. Step 4: Simplify right side
    25,587.36x = 501,114,197.77
  5. Step 5: Solve for x
    x = 501,114,197.77/25,587.36
  6. Step 6: Final answer
    x = 19,584.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.